see also: Fin
Pronunciation Noun

fin (plural fins)

  1. (ichthyology) One of the appendages of a fish, used to propel itself and to manoeuvre/maneuver.
    The fish's fins minimize water flow.
  2. A similar appendage of a cetacean or other marine animal.
    a dolphin's fin
  3. A thin, rigid component of an aircraft, extending from the fuselage and used to stabilise and steer the aircraft.
    The fin stabilises the plane in flight.
  4. A similar structure on the tail of a bomb, used to help keep it on course.
  5. A hairstyle, resembling the fin of a fish, in which the hair is combed and set into a vertical ridge along the top of the head from about the crown to the forehead.
  6. A device worn by divers and swimmers on their feet.
    The divers wore fins to swim faster.
  7. An extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling.
  8. A sharp raised edge (generally in concrete) capable of damaging a roof membrane or vapor retarder.
  • (appendange of a fish)
  • (appendage of a cetacean or other marine animal) flipper (of mammals)
  • (aircraft component)
  • (of a bomb) vane
  • (hairstyle) Mohican
  • (device worn by divers) flipper
Translations Translations Translations Translations Translations Verb

fin (fins, present participle finning; past and past participle finned)

  1. (transitive) To cut the fins from a fish, shark, etc.
  2. (intransitive) (Of a fish) to swim with the dorsal fin above the surface of the water.
  3. (intransitive) To swim in the manner of a fish.
    A neutrally buoyant diver does not need to fin to maintain depth.
  4. (transitive) To provide (a motor vehicle etc) with fins.

fin (plural fins)

  1. (UK, formerly Australia, slang) a five-pound (£5) note; the sum of five pounds.
    Synonyms: fiver
  2. (US, slang) a five-dollar bill; the sum of five dollars.
    Synonyms: fiver, Lincoln

Proper noun
  1. commune in the Somme department in France

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